Lennox VPA036H4 Скачать руководство пользователя страница 8 | Manualshive

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Figure 7. Avoid Defrost Water Ice Hazard

12” (305mm)
Min. Distance

Wind Barrier

Inlet Air

Prevailing Winter Winds from Air Inlet Side

Discharge Air

Wind Barrier

Prevailing Winter Winds From Air Discharge Side

79” (2007mm)
Min. Distance

Figure 8. Unit with Wind Barrier

Prevailing Winds Protection

If unit coil cannot be installed away from prevailing
winter winds, some method of protecting the
coil is required. Minimum clearances from wind
barrier must be observed at all times. Common
application examples are:

• Construct a wind barrier. Size barrier at least the

same height and width as outdoor unit. Install a
barrier 12 inches (305 mm) minimum from the
sides of the unit in the direction of prevailing
winds.

• Install outdoor unit in dog house-style shelter.
• Install outdoor unit in alcove, under roof

overhang.

12 in

305 mm

24 in

610 mm

24 in

610 mm

12 in

305 mm

Figure 9. Unit Inside of Mechanical Enclosure

NOTE - Minimum clearances apply.

Air Inlet

Air Outlet

12 in

305 mm

Figure 6. Unit on Brackets Above Snow Line

NOTE - Minimum rear clearance can be 6 inches
(152 mm) when mounted on brackets and with no
obstructions on the other three sides.

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Содержание VPA036H4

Страница 1: ...tallation adjustment alteration ser vice or maintenance can cause property damage personal injury or loss of life Installation and service must be performed by a li censed professional HVAC installer service agency or the gas supplier Failure to follow safety warnings and these instruc tions exactly could result in property damage dan gerous operation serious injury or death Any additions changes ...

Страница 2: ...ion Software LVSS piping report is an engineered design that must be followed The piping diagram or diagrams included within the LVSS report have been prepared based on the information provided to the Lennox VRF applications department When the indicated lengths change from the figures stated within the report it is imperative that prior to the commencement of the refrigerant pipe work installatio...

Страница 3: ... 400 13 3 4 349 12 5 8 321 3 4 19 23 5 8 600 6 152 CC CENTER OF GRAVITY DD BB AA EE FF Dimensions Inches mm CORNER WEIGHTS CENTER OF GRAVITY Model No AA BB CC DD EE FF lbs kg lbs kg lbs kg lbs kg in mm in mm All Models 40 18 63 29 72 33 45 21 21 5 8 549 7 3 8 187 ...

Страница 4: ...10 Minimum Service Clearance 12 305 Minimum 79 2007 Minimum 24 610 Minimum Service Clearance 12 305 Min 118 2997 Min 118 2997 Min 20 508 Min 79 2007 Min Back to Back Facing Units Front to Back Wall or Partition Wall or Partition Wall or Partition NOTE 24 in 610 mm clearance required on top of unit NOTE If unit is surrounded on three or four sides by walls or partitions that are taller than 10 ft 3...

Страница 5: ...nches 102 mm above the roof or ground surface to avoid ice build up around the unit Locate the unit above a load bearing wall or area of the roof that can adequately support the unit Consult local codes for rooftop applications Use a field provided slab or frame as specified in the Product Specifications EHB bulletin Install the unit in an upright and level position If the unit coil cannot be inst...

Страница 6: ...lab or Frame Brackets are provided at the base of the outdoor unit so that it can be secured to a field provided slab or frame Use lag bolts or equivalent to secure the outdoor unit to the slab or frame Figure 1 Air Inlet Air Outlet 12 in 305 mm Figure 2 Unit on Wall Mounted Brackets NOTE Minimum rear clearance can be 6 inches 152 mm when mounted on brackets and with no obstructions on the other t...

Страница 7: ...around the air inlet and the air outlet The unit must not be installed in areas where a flammable gas leak may occur Figure 4 Unit on Pedestal Stand Above Snow Line Protective canopy Front View Side View Protective canopy Pedestal stand NOTE VPA H4 2P units have a factory installed base pan heater CAUTION When operating the heat pump in a low outdoor ambient temperature be sure to follow the instr...

Страница 8: ...l times Common application examples are Construct a wind barrier Size barrier at least the same height and width as outdoor unit Install a barrier 12 inches 305 mm minimum from the sides of the unit in the direction of prevailing winds Install outdoor unit in dog house style shelter Install outdoor unit in alcove under roof overhang 12 in 305 mm 24 in 610 mm 24 in 610 mm 12 in 305 mm Figure 9 Unit...

Страница 9: ...d In addition to insulating each line of piping buried lines must rest inside a sealed watertight conduit The conduit must be designed so it cannot collect and retain water NOTE Minimum clearances apply Insulated Refrigerant Pipes Watertight seal Conduit Structure Watertight seal Watertight seal Figure 11 Buried Refrigerant Pipe Protection ...

Страница 10: ...er the unit NOTES Louver angle should not exceed 15 Installing the Unit Inside of Building Mini VRF outdoor units may be installed indoors if the following guidelines are followed Refer to Figure 12 for critical clearances If field fabricating ductwork to directly discharge air outdoors use the dimensions shown in Fig ure 15 as a guide Include inspection doors in discharge ductwork within 12 inche...

Страница 11: ...n top of unit Makeup air requirements are equal to or greater than discharge air volume Size makeup air openings appropriately to supply adequate air for the outdoor unit Unit clearances apply Check fan load amps FLA during Forced Cooling operation after installation Install a field supplied drain pan under the unit NOTES Louver angle should not exceed 15 Figure 13 Louvered Discharge Opening Consi...

Страница 12: ...keup air requirements are equal to or greater than discharge air volume Size makeup air openings appropriately to supply adequate air for the outdoor unit Unit clearances apply Check fan load amps FLA during Forced Cooling operation after installation Install a field supplied drain pan under the unit NOTES Louver angle should not exceed 15 Figure 14 Ducted Discharge Considerations Figure 15 Unit F...

Страница 13: ...ping connections Both liquid and gas vapor lines must be individually insulated Model Liquid Line Gas Vapor Line VPA036H4 VPA048H4 VPA060H4 3 8 in 3 4 in Table 1 Refrigerant Piping Connections WARNING Refrigerant leaks are unlikely however if a refrigerant leak occurs open a door or windows to dilute the refrigerant in the room Turn off the unit and all other appliances that may cause a spark Call...

Страница 14: ...nine indoor units three branch boxes must be used From Outdoor Unit First Elbow or Branch Pipe Connection 39 991 mm 20 508 mm To Indoor Unit Branch Box Figure 17 Straight Pipe In and Out A minimum of 39 inches 991 mm of straight pipe into the branch box A minimum of 20 inches 508 mm of straight pipe out of the branch box See Figure 17 When using branch pipes to connect multiple indoor units with a...

Страница 15: ...this unit contains PVE oil Polyvinylether PVE oil is formulated for hydrofluorocarbon HFC refrigerants such as R 410a which this system contains While it may have some miscibility properties with mineral based oil and POE oil Polyolester it is not recommended to mix PVE oil with any other type of refrigerant oil IMPORTANT Always use two wrenches when tightening flare nuts to avoid twisting refrige...

Страница 16: ... Maximum Piping Length Actual Length 148 ft 45 m VPA036 048 196 ft 60 m VPA060 L1 L3 L4 L5 L6 E Equivalent Length 164 ft 50 m VPA036 048 230 ft 70 m VPA060 Pipe length from the first line branch pipe to farthest indoor unit 65 6 ft 20 m L3 L4 L5 L6 E Pipe length from the indoor unit to the nearest branch pipe 49 2 ft 15 m L2 A B C D E Maximum Height Difference Indoor Unit to Outdoor Unit Maximum H...

Страница 17: ...Unit Maximum Height Difference 26 2 ft 8 m Description Designation Main Outdoor Pipe from outdoor unit to branch box L1 Indoor Unit Pipe from Branch Box es to indoor units A B C D A B C Indoor unit Branch Box 20m L1 8m Maximum Permitted Refrigerant Pipe Length and Maximum Height Difference With Branch Box NOTE See Refrigerant Pipe Selection Table to size Main Outdoor Pipe NOTE Branch Box es should...

Страница 18: ... Length Piping Pipe Length Total Piping Length Actual 328 ft 100 m L1 A B C D E F L3 L4 Maximum Piping Length Actual Length 148 ft 45 m VPA036 048 196 ft 60 m VPA060 L1 L4 A L1 L4 B L1 L4 C L1 L4 D L1 L3 E L1 L3 F Equivalent Length 164 ft 50 m VPA036 048 230 ft 70 m VPA060 Pipe length from the first Branch Pipe to each indoor unit 65 6 ft 20 m L4 A L4 B L4 C L4 D L3 E L3 F 65 6 ft 20 m each Maximu...

Страница 19: ...ength Actual 328 ft 100 m L1 A B C D E F G H L3 L4 L5 L6 Maximum Piping Length Actual Length 148 ft 45 m VPA036 048 196 ft 60 m VPA060 L1 L4 L6 A L1 L4 L6 B L1 L4 L6 C L1 L4 L6 D L1 L4 L5 E L1 L4 L5 F L1 L3 H L1 L3 G Equivalent Length 164 ft 50 m VPA036 048 230 ft 70 m VPA060 Pipe length from the first Branch Pipe to each indoor unit 65 6 ft 20 m L4 L6 A L4 L6 B L4 L6 C L4 L6 D L4 L5 E L4 L5 F L3 ...

Страница 20: ... V8IDBP02 NOTES Use appropriate reducer adapter not provided at the outdoor unit pipe connections to meet the piping size requirements Refrigerant Pipe Selection INDOOR PIPE SELECTION L2 A B C D E F G H Indoor Unit Type Indoor Unit Size Gas Pipe Diameter Liquid Pipe Diameter V22A Compact 360 Cassette 007 009 012 015 1 2 in 1 4 in V33A Standard High Efficiency 360 Cassette 009 012 015 1 2 in 1 4 in...

Страница 21: ...ressure test specifications in table 1 and the triple evacuation process de scribed on this page to pressure test and evacu ate the system Use a vacuum pump capable of evacuating to lower than 500 Microns 0 5 Torr Do not open any of the outdoor unit shut off valves possible max 5 valves The outdoor unit does not need to be evacuated Evacuate the system to 500 Microns 0 5 Torr or below for 4 hours ...

Страница 22: ...harge for each liquid line branch pipe kit 3 If the ratio of VMDB or V33B Indoor unit capacity exceeds 80 of all indoor units use Table 5 to determine the additional refrigerant charge to add 4 Total all calculations 5 Add the calculated additional refrigerant to the system Liquid Line Length Calculation Calculate additional refrigerant charge using the diameter and length of the liquid pipe Incom...

Страница 23: ...dify the power cord in any way Do not attempt to extend the length of the power cord or use an extension cord with this appliance Do not share the single power outlet with any other appliances CAUTION This unit must be properly grounded and protected by a circuit breaker The ground wire for the unit must not be connected to a gas or water pipe a lightning conductor or a telephone ground wire Do no...

Страница 24: ...rent overload High condenser temperature Error description EEPROM error DC Fan error High indoor coil temperature E 9 Communication error between compressor module and main board T3 or T4 error temperature sensor Communication error between indoor unit and outdoor unit High radiator temperature Reserved 3 times of L0 or L1 in 60 minutes CODE PART NAME Compressor speed difference 15Hz between adjac...

Страница 25: ...2 L1 P Q E Outdoor unit Incoming Electrical Supply Figure 26 Typical Communication Wiring Outdoor unit PQE Ground cable shield DO NOT connect to E 18 GA stranded 3 conductor shielded control wire polarity sensitive All shields of shielded cable connect to GROUND terminal not to E Install a terminating resistor at the last indoor unit terminals P and Q of the daisy chain Typical Wiring Diagram NEC ...

Страница 26: ...Wiring Diagram NEC CEC and Local Codes apply P Q Figure 27 Typical Communication Wiring Outdoor unit PQE Ground cable shield DO NOT connect to E Branch box Refrigerant piping Branch box 18 GA stranded 3 conductor shielded control wire polarity sensitive All shields of shielded cable connect to GROUND terminal not to E Install a terminating resistor at the last indoor unit terminals P and Q of the ...

Страница 27: ... unit terminals P and Q of the daisy chain Typical Wiring Diagram NEC CEC and Local Codes apply P Q Branch box NOTE Branch box does not require power or communication wiring Refrigerant piping After the system has been installed the outdoor unit will automatically assign addresses to all connected indoor units These addresses may be modified using an optional remote control as part of the commissi...

Страница 28: ... value in C 7 T5 Compressor discharge temperature If T5 99 it will only show the front two digits of the actual temperature For example it will show 10 when T5 is 105 8 Reserved Reserved 9 Opening of EEV Actual value 8P 10 Unit current Amps 11 1 10 of DC bus voltage 12 T2 T2B average temperature T2 Heat T2B Cooling When system operates cooling it shows T2B when system operates heating it shows T2 ...

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